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From Greg Stein <>
Subject Re: PCRE and regex question...
Date Thu, 07 Jun 2001 21:49:40 GMT
On Thu, Jun 07, 2001 at 05:01:16PM -0400, Greg Marr wrote:
> At 04:17 PM 06/07/2001, Bill Stoddard wrote:
> >Is there a quick way I can check a string to see if it is a regex or 
> >not?  I am looking at extending SetEnvIf to accept a regex on the 
> >'header' argument (value may already be a regex).
> The absolute easiest would be to require that the regex start and end 
> with a /.
> SetEnvIf nonregexheader
> SetEnvIf /regexheader/
> You could also use a regex on it:
> /^[-A-Za-z0-9_]*$/
> This assumes that only letters, numbers, -, and _ are allowed in 
> header names.

Strictly speaking, every string is a regex. It is just that "abc" doesn't
say a whole lot :-)

I like Greg Marr's suggestion of requiring /regex/. That also helps to
clarify things for the user who is reading .conf.


Greg Stein,

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